文献类型：期刊文献

英文题名：Investigation on novel raceway pond with inclined paddle wheels through simulation and microalgae culture experiments

作者：Zeng, Fanxue[1];Huang, Jianke[2];Meng, Chen[1];Zhu, Fachao[1];Chen, Jianpei[1];Li, Yuanguang[2]

机构：[1]E China Univ Sci & Technol, State Key Lab Chem Engn, Shanghai 200237, Peoples R China;[2]E China Univ Sci & Technol, State Key Lab Bioreactor Engn, Shanghai 200237, Peoples R China

年份：2016

卷号：39

期号：1

起止页码：169

外文期刊名：BIOPROCESS AND BIOSYSTEMS ENGINEERING

收录：;EI(收录号：20154701564537);WOS:【SCI-EXPANDED(收录号:WOS:000367607200017)】；

基金：This research was funded by National Basic Research Program China (973 Program: 2011CB200903).

语种：英文

外文关键词：Open raceway pond; Computational fluid dynamics; Particle image velocimetry; Optimal mixing system; Microalgae cultivation

摘要：The open raceway ponds are nowadays the most used large-scale reactors for microalgae culture. To avoid the stacking of microalgae, the paddle wheels are the most widely used to circulate and mix the culture medium. In this paper, a numerical simulation using computational fluid dynamics (CFD) was used to investigate the hydrodynamic characteristics of open raceway ponds with different types of paddle wheels (the traditional paddle wheels and the novel paddle wheels with specially inclined angle of the blades). The particle image velocimetry (PIV) was used to validate the reliability of the CFD model. The CFD simulation results showed that the novel raceway pond with 15A degrees inclined angle of the blades had the best mixing efficiency under the same power consumption. Lastly, the results of microalgae culture experiments showed that the growth rates of Chlorella pyrenoidosa in the novel raceway pond with 15A degrees inclined angle of the blades were higher than those in the traditional reactor. The results of the culture experiments and CFD simulations were identical with each other. Therefore, a novel paddle wheel with 15A degrees inclined angle of the blades was obtained for better microalgae cultivation.